Remigiusz Zalewski

Build your first MCP Server in .NET with EF Core

Claude Code and GitHub Copilot can write great C#, but they have zero idea what's in your database until you give them a way to ask - here's how to…

Sep 19 • Remigiusz Zalewski

August 2026

EF Core Bulk Operations: 2 Real-Life Scenarios You Should Know

Your foreach + SaveChangesAsync loop is still running on that price update - here's exactly when EF Core's own tools are enough, and when you actually…

Aug 29 • Remigiusz Zalewski

Stop Leaking Tenant Data: Multi-Tenant EF Core in .NET 10

Your multi-tenant EF Core app might be leaking one customer's data into another customer's response right now - here's how EF Core 10's named global…

Aug 15 • Remigiusz Zalewski

May 2026

File-Based Applications in .NET 10

Run C# scripts without a project or solution - this changes how we write throwaway code and quick scripts.

May 9 • Remigiusz Zalewski

April 2026

EF Core IEntityTypeConfiguration: Clean Up Your DbContext in .NET

How to replace a bloated OnModelCreating method with separate entity configuration classes using IEntityTypeConfiguration<T>

Apr 18 • Remigiusz Zalewski

EF Core Database First: Scaffold a DB Context from an Existing Database

Stop writing models by hand - let EF Core do it for you.

Apr 11 • Remigiusz Zalewski

Refit - The Better Way to Consume APIs in .NET

Stop writing the same HttpClient boilerplate for every external API endpoint - there’s a cleaner way.

Apr 4 • Remigiusz Zalewski

March 2026

EF Core Stored Procedures: Complete Guide for .NET Developers

Learn how to create and call stored procedures in Entity Framework Core using Code First migrations. Covers FromSqlRaw, FromSqlInterpolated, and…

Mar 28 • Remigiusz Zalewski

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EF Core Performance: N+1, Cartesian Explosion and How to Fix Both

Your app is making 1501 SQL queries per request - and the code looks completely fine.

Mar 21 • Remigiusz Zalewski

How to Set Up a Release Pipeline for ASP.NET Core in Azure DevOps

Deploy your ASP.NET Core app automatically to IIS on an Azure VM - zero manual steps required.

Mar 14 • Remigiusz Zalewski

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Setup CI Build Pipeline in Azure DevOps for ASP.NET Core Web API

From zero to a working CI pipeline that builds your .NET app, runs unit tests, and produces a deployable artifact - step by step.

Mar 7 • Remigiusz Zalewski

February 2026

Insane Performance Boost in EF Core using Entity Framework Extensions

Learn how to replace slow EF Core bulk operations with Entity Framework Extensions

Feb 28 • Remigiusz Zalewski